60 results about "Stereoscope" patented technology

A virtual reality hardware and software platform comprised of a stereoscope which attaches to a mobile touchscreen computer/tablet. The stereoscope, in which the user looks through, covers just the top portion of the tablet screen. This top portion displays the stereoscopic view of a virtual environment. The bottom portion displays the two-dimensional view. The user touches the view with his/her thumbs and/or fingers in order to interact with and travel through the virtual environment seen in the view.

A process for formatting rivalrous fusible images having similarly shaped stimuli of similar binocular luminance and having other similarly shaped stimuli of different binocular luminance, which metamorphose during perception into identifiable shapes that distinguish fusion from suppression. The preferred embodiment is an invertible stereoscope for viewing rivalrous images, non-rivalrous images, and stereograms, having adjustable eyepieces, lighting control of front and rear chambers, and lighting control of right and left sides. In a further preferred embodiment, rivalrous stimuli in a complementary color scheme are viewed on printed material or on a computer screen through lenses of complementary colors. Neutral density filter placement that asymmetrically attenuates light to the eyes for detection of sub-threshold afferent defects is disclosed.

The invention discloses a kind of method of measurement the solid particle three-dimensional density field in the gas and solid two phase flow, velocity field and equipment. The particle flux transmitting tube is laid at the front of high rate stereoscopic vision system which is consisted by the double look-out angle lens stereoscope and the high rate camera and the jet stream particle is refracted through the double look-out angle lens stereoscope mirror face and the single high rate camera target area can achieve the particle flux graphic with two different angles at the same time and after the graphic is input the computer a program module which is consisted by the pattern recognition algorithm procedure and three-inversion projection algorithm procedure treats the particle diagram and then get the transient three-dimensional density field. The program module treats series microsecond class time sequence changeable particle graphic and gets the particle three-dimensional movement trace and the velocity field. It is stabilize by using the single camera system and overcomes the problem of multiple camera system's constructer is complex and the synchronism is bad.

The invention discloses an estimation system and method based on inter-image mutual crosstalk in a projection stereoscope visible area. The estimation system comprises a projector, a cylindrical lens screen, a three-dimensional fine-tuning frame mechanical device, a computer and a video camera, wherein the distance between the projector and the cylindrical lens screen is adjusted by the three-dimensional fine-tuning frame mechanical device, the cylindrical lens screen comprises a layer of cylindrical lens grating plate and a diffuse layer, and the projector is connected to the computer which is connected with to the video camera through an image acquisition card. The method provided by the invention is estimated and operated by adopting the estimation system and comprises the following steps of: (1) debugging the estimation system based on the inter-image mutual crosstalk in the projection stereoscope visible area; and (2) calculating the mutual crosstalk among images in the projection stereoscope visible area. By utilizing the video camera as a brightness sensor, the system and the method can individually and accurately judge the inter-image mutual crosstalk degree in the projection stereoscope visible area.

The present invention is a stereoscopic lens added in front of the lens of a common camera (or video camera), and is used for obtaining binocular stereoscopic images. Compared with the conventional additional stereo lens, the viewing angle range of the camera (or video camera) can be maintained while reducing the size and weight of the additional lens. The present invention adopts two groups of optical assemblies corresponding to the left eye optical path and the right eye optical path of binocular stereoscopic imaging, each optical path includes a diverging lens (or lens group), a rhomboid prism (or a mirror group composed of two plane mirrors) , Splicing and converging lenses (or lens groups), to achieve compressed viewing angle, parallel light transmission, translation, widening viewing angle, left and right image splicing, and finally realize the splicing of the two images of the left eye optical path and the right eye optical path into one image, and then enter the camera ( or camera) to obtain an image containing stereoscopic information.

An improved collapsible stereoscope made of a stiff but bendable material. The stereoscope includes a front viewing panel with apertures for lenses, a rear picture holding panel, and bracing side walls, all integrally hinged to a bottom panel. Each bracing side wall varies in height so that it is tall enough in some regions to provide structural support, but short enough in other regions to reduce or prevent the casting of shadows on the stereogram. The length of each bracing side wall is longer than length of the bottom panel, so that when each bracing side wall is secured to the front panel, the bracing side walls bend in toward each other at a preformed folding crease which improves structural stability of the stereoscope, holds stereograms against the picture holding panel, and reduces shadowing on the stereogram. The collapsible stereoscope can be used as a greeting card.

Optical films used for 3D autostereoscopic displays include lenses on one surface of the optical film that are registered to prisms on the opposing surface of the optical film. The lenses may be a-cylindrical lenses or cylindrical, and the rotation of the lenses can vary with position on the surface of the optical film. The prisms may be contiguous or non-contiguous. The prisms of the optical film can have a pitch that is different from a pitch of the lenses, or the prism pitch can be substantially the same as the pitch of the lenses.

The invention discloses a correction method for geometric distortion of projection image on curve screen. Set location points of even arrangement on curve screen and determine a center location point; project reticle by projector to screen and center their center points; project some horizon lines to screen, every horizon line is superposition to location points of horizon arrangement; it is similar for the vertical lines and points of vertical arrangement. The method can correct the nonlinear distortion image well; image effect is true to nature; observer with stereoscope can feel virtual stereo scene like standing in real world; the immerse feeling is strong.

A stereoscopic display system (10) comprising a pair of convergent lenses (14) and a sheet of resilient, transparent material (12) formed into a picture holder (18) and a lens holder (20) joined by a base (16) that holds them erect and parallel for viewing a stereoscopic image pair mounted in the picture holder through the lenses mounted in the lens holder. A median slot (21) extending through the lens holder into an adjacent portion of the base divides these sections into two lens support arms (31) and provides an intervening space shaped to accommodate the viewer's nose and to maintain a clearance space for the resilient approximation of the lens support arms. Adjustments for focus, diopter, interpupillary distance, and stereofield separation and vertical alignment, are made by flexing the lens support arms collectively and differentially in longitudinal and transverse directions. The picture holder is adapted to durably or transiently hold stereograms of various sizes and formats, in the form of prints, transparencies or slides, LCDs or other thin image support media. A second picture can be displayed on the reverse side of the picture holder. The lens holder can accept replacement optics for optics for customization to the user's vision requirements and can be adapted for durable setting of interocular distance.

The invention relates to a thermal-etching and display method for a treelike crystal of a low-carbon ER50-6 ingot blank and belongs to the technical field of metallographic examination. The method comprises the following steps: truncating a sample, and grinding and polishing until no scratches exist on the surface of the sample; then preparing a corrosion solution by using hydrochloric acid, picric acid and water, putting the corrosion solution into a flask, heating the flask in a water bath of a constant temperature bath, and when the water solution in the flask is heated to 65-80 DEG C, putting the polished sample into the flask so that a polished surface comes into full contacted with the solution; corroding the sample at 65-80 DEG C for 10-30 minutes, taking out the sample, flushing the sample by water, drying the sample, and carrying out macroscopic shape sampling and treelike crystal interval measurement on the treelike crystal by virtue of a Leica SD6 stereoscope. The thermal-etching and display method has the advantages that the operation is simple, the acid consumption is low, a tedious reagent preparation step is omitted, the macroscopic shape of the treelike crystal of the low-carbon ER50-6 ingot blank can be rapidly and clearly displayed, and the method has a certain guiding significance to the research of a continuous casting process.

A simple stereoscope for viewing a side-by-side image is disclosed. The stereoscope (10, 100) comprises lens height-adjusting parts (30) for holding a first lens part and a second lens part such that the vertical heights of a first lens and a second lens can be adjusted within the range from a first height to a second height while the first lens and the second lens are placed side to side so as to be parallel with a horizontal direction. Furthermore, the stereoscope can further comprise lens interval-adjusting parts (50, 150) capable of adjusting horizontal intervals between the center of the first lens and the center of the second lens within a predetermined range. The stereoscope can also be formed by comprising an eyeglass frame and eyeglass temples and allowing a horizontal diameter of a lens mounting part of the eyeglass frame to be larger than that of the lenses so as to adjust the horizontal intervals of the two lenses.

The invention provides an aluminum-sprayed paper with a local holographic variable visual angle and a lens stereoscope. The aluminum-sprayed paper is characterized by comprising a base paper layer, an adhesive layer, a metal coating, a holographic variable visual angle and lens stereoscope laser information layer and a coating transferring layer which are arranged in sequence. According to the aluminum-sprayed paper with the local holographic variable visual angle and the lens stereoscope in the invention, the lens stereoscope employs a local-focus arc-photoetching manner, so the problems of low success rate and high cost of conventional cat-eye lenses processed with mechanical lathes are overcome.

A pair of stereoscopic glasses includes a pair of left and right stereoscopic rims connected to each other and respectively holding stereoscopic optical components used when observing a stereoscopic image, and a stereoscopic frame that includes stereoscopic temples extending rearward from the stereoscopic rims. The stereoscopic frame is provided with an engagement section that is brought into engagement with a rim or a bridge of a frame of glasses already worn by a user in a state where the stereoscopic optical components are positioned in front of lenses of the glasses so that the stereoscopic optical components are positionally maintained in front of the lenses of the glasses.

The invention discloses a stereo relative space imaging aerial-surveying instrument. The front end of a casing is provided with a monitor lens, the back end of which is provided with a lens stereoscope keeping a 45-degree angle from the monitor lens. A layer of mercury reflection material is brushed on a horizontal surface of the lens stereoscope. A prism box is arranged at a position which is 1-8 cm below a reflection focal plane of the lens stereoscope. The middle part and the outer periphery of the prism box are respectively provided with a rotary prism group consisting of two right-angle-shaped rotary prisms. The right-angle edges at the bottoms of the two right-angle-shaped rotary prisms at the outer periphery of the prism box are externally provided with amplifying lenses. Circle centers of the two amplifying lenses are respectively provided with two black measuring mark points. Two digital long-focus cameras are connected with two laptops which have the same functions and are internally provided with aerial-surveying softwares, by data wires. The two liquid crystal display screens of the two laptops form a liquid crystal stereo relative display screen. The invention has the advantages of simple structure, small volume, convenient operation and use and low price, and the eyes can be directly used for observing stereo images.

The invention relates to a tower type solar energy collection system, in particular to a lens light guide type tower type solar energy collection system based on a concentrating heliostat array, which mainly includes a lighting array composed of lighting module units and a solar collector responsible for solar energy collection. tower. The entire lighting array is distributed in a square matrix, and the solar collection tower is located in the center of the array. Each lighting module unit has the same structure and is composed of n*n lighting mirrors. The main difference between this system and the traditional tower solar collection system is the difference in the lighting mirror and the way of light transmission. The lighting mirror used in this system is a square dish-shaped condenser mirror. Unlike the traditional tower solar collection system that directly collects solar energy through a single reflection of the lighting mirror, this system collects the light through the lighting mirror and then passes through the lens and the reflective plane mirror for multiple transmissions before finally reaching the solar collection tower to complete the collection of solar energy.

A three-dimensional (3D) user interface display system is provided. The system includes a surface type determination module, an auto-stereoscope module, a rendering module, a frame buffer module, a graphics processor and a display module. The surface type determination module determines whether each visible surface is a two-dimensional (2D) or 3D surface. The auto-stereoscope module performs an auto-stereoscopic process on the 2D surface according to a mode adopted by the 3D surface. The rendering module renders the 3D surface or the auto-stereoscopically processed 2D surface from the auto-stereoscope module. The frame buffer module frame buffers the rendered by the rendering module. The graphics processor interleaves or interpolates the frame buffered surface. The display module displays a final surface.

The invention discloses a comprehensive asthenopic recovery training method. According to the asthenopic recovery in China, diversified optical vision instrument training, such as training based on aflicking vision improvement device, bead stringing and cuisive writing training, shielding training, synoptophore stereoscope training, traditional medical message physiotherapy additionally adopted for dredging the meridians and collaterals, or acupuncture in auricular points, magnet therapy, medicine adoption on the circumference of eyes, pyretic moxibustion on eyes and 3D and 4D vision training, serves as the main part in general, wherein during the 3D and 4D vision training, computer equipment is utilized for conducting the 3D and 4D vision training on patients. According to the scheme, the comprehensive vision function of the patients is improved, and meanwhile, long-distance fine tuning is conducted in a naked eye mode and a glass wearing mode for training, so that the corrected visual acuity with glasses and the naked eye visual acuity are improved at the same time, and therefore the patients can gradually get rid of the permanent glass-wearing state. Eye protection exercise iseasy to implement, the effect is obvious, and after the exercise is conducted twice or three times every day, visual fatigue in the daily life can be relieved. The eye protection exercise has the functions of relaxing eyes, exercising eyeballs, improving the function of qi and blood, nourishing the visual center and adjusting an overlooking function of the eyes. A reinforcement effect on the improved vision is achieved.

The invention discloses an IP67 waterproof digital stereo lens. The lens comprises a lens barrel and a protective barrel, wherein a diaphragm piece is vertically and fixedly installed in the middle ofan inner cavity of the lens barrel; the inner wall of the left end of the lens barrel is fixedly connected with a bearing ring table; a left sealing sleeve ring is arranged on the left side of the bearing ring table; a second lens is embedded in the left sealing sleeve ring; the outer ring of the left sealing sleeve ring is attached to the left side of the lens barrel; and a first lens is embedded in the inner side of the right sealing clamping sleeve ring. The lens barrel is sleeved with the protective barrel, the buffer sleeve ring is adjusted outside the protective barrel, the buffer sleeve ring made of latex can be matched with the protective barrel to conduct anti-collision protection on the lens barrel, the buffer sleeve ring made of latex can further increase the friction force ofhand contact, and the probability that the lens barrel slips off from the hand is reduced.

The invention relates to a multifunctional stereoscopic spectacle, which is designed for solving the technical problems that the existing similar product is inconvenience in use, single in function and inferior in wearing comfort level. The stereoscopic spectacle comprises a stereoscopic spectacle frame, a stereoscopic nose supporting beam and stereoscopic lenses and is characterized in that catching slots are respectively arranged at top edges at the sides of the stereoscopic spectacle legs of the stereoscopic spectacle frame; the catching slots are buckled with the upper edges of the stereoscopic spectacle frame of the myopic lens; stretchable rods are symmetrically arranged at two sides of the nose supporter of the stereoscopic nose supporting beam; the stretchable rods are of L shapes; the nose supporter of the stereoscopic nose beam is of arc shape; supporting blades are arranged in the arc slots of the nose supporter; and rotating buckle pieces are respectively arranged at connecting ends of the stereoscopic spectacle frame and the stereoscopic spectacle legs. A myope and a non-myope both can conveniently wear the multifunctional stereoscopic spectacle; the multifunctional stereoscopic spectacle is reasonable in structure design, comfortable in wearing, excellent in stability and convenient in adjustment, assembling and disassembling of all parts; and the multifunctionalstereoscopic spectacle is suitable for being used for watching stereoscopic videos in the places, such as home and movie theatre, and also is suitable for the structure improvement of the similar products.